⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2706796, and has not been changed.
This name is a synonym of Ceanothus megacarpus subsp. insularis .
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Bull. S. Calif. Acad. Sci. 31: 68 1932.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:50731-2
.